2024 21 CFR 520.1660d – Oxytetracycline powder

2023 21 CFR 520.1660d – Oxytetracycline powder

2022 21 CFR 520.1660d – Oxytetracycline powder

2021 21 CFR 520.1660d – Oxytetracycline powder

2020 21 CFR 520.1660d – Oxytetracycline powder

2019 21 CFR 520.1660d – Oxytetracycline powder

2016 21 CFR 520.1660d – Oxytetracycline powder

2015 21 CFR 520.1660d – Oxytetracycline powder

2014 21 CFR 520.1660d – Oxytetracycline powder

2010 21 CFR 520.1660d – Oxytetracycline powder

2009 21 CFR 520.1660d – Oxytetracycline powder